Sensor



FIG. 1 is a perspective view of a sensor.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines and isolated, unshaded surfaces show portions of the sensor that form no part of the claimed design. 

CLAIM We claim the ornamental design for a sensor, as shown and described. 